Home / 13,652,068.30-18,839,726.90-7,457,112.64

Finding the Fourth Proportional to 13,652,068.30, 18,839,726.90 and 7,457,112.64

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Solution

The fourth proportional to 13,652,068.30, 18,839,726.90 and 7,457,112.64 is: 10,290,745.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,652,068.30 : 18,839,726.90 = 7,457,112.64 : x
  2. Step 2: Convert to fraction form
    13,652,068.30/18,839,726.90 = 7,457,112.64/x
  3. Step 3: Cross multiply
    13,652,068.30x = 18,839,726.90 × 7,457,112.64
  4. Step 4: Simplify right side
    13,652,068.30x = 140,489,965,646,376.16
  5. Step 5: Solve for x
    x = 140,489,965,646,376.16/13,652,068.30
  6. Step 6: Final answer
    x = 10,290,745.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.